940 L4-2.3L SOHC VIN 88 B230F (1992)
Fuel Pressure: Testing and Inspection
FUEL PRESSURE AND RESIDUAL PRESSURE CHECK
Checking the Pressure Regulator Vacuum Hose
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Remove the vacuum hose from the pressure regulator.
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Check that the hose is not blocked by blowing into it.
If the hose is OK:
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Connect the fuel pressure gauge.
If the hose is blocked:
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Check hoses and nipples and remedy the fault.
CONNECTING THE FUEL PRESSURE GAUGE
Fuel Pumps, Line And Pressure Regulator
Engine Without Quick Connector
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Switch Ignition OFF.
^
Connect the fuel pressure gauge between the fuel line and the distributor pipe. Use hose 5116 and nipple 5265.
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Plug the free end of the meter's hose with plug 5266.
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Set the valve on 5011 to position 1 (pointing towards hose 5116).
^
Continue to Starting Fuel Pump section below.
Engines With Quick Connectors
^
Connect nipple 9725 and adapter 5479 to the pressure gauge.
^
Plug the free end of the pressure gauge hose using a 5266 plug.
^
Connect the adapter to the valve on the distributor pipe.
